11214431525 has 24 divisors (see below), whose sum is σ = 15396511584. Its totient is φ = 8034206400.

The previous prime is 11214431521. The next prime is 11214431581. The reversal of 11214431525 is 52513441211.

It is a happy number.

11214431525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11214431525 - 2² = 11214431521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11214431521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285902 + ... + 322751.

It is an arithmetic number, because the mean of its divisors is an integer number (641521316).

Almost surely, 2^11214431525 is an apocalyptic number.

It is an amenable number.

11214431525 is a deficient number, since it is larger than the sum of its proper divisors (4182080059).

11214431525 is a wasteful number, since it uses less digits than its factorization.

11214431525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608741 (or 608736 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

Adding to 11214431525 its reverse (52513441211), we get a palindrome (63727872736).

The spelling of 11214431525 in words is "eleven billion, two hundred fourteen million, four hundred thirty-one thousand, five hundred twenty-five".